### Definition of Trisect

1. Verb. Cut in three. "Trisect a line"

Generic synonyms: Cut

### Definition of Trisect

1. v. t. To cut or divide into three parts.

### Definition of Trisect

1. Verb. (transitive) to cut into three pieces ¹

2. Verb. (transitive mathematics) to divide a quantity, angle etc into three equal parts ¹

¹ Source: wiktionary.com

### Definition of Trisect

1. to divide into three equal parts [v -ED, -ING, -S]

### Medical Definition of Trisect

1. 1. To cut or divide into three parts. 2. To cut or divide into three equal parts. Origin: Pref. Tri- + L. Sectus, p. P. Of secare to cut. See Section. Source: Websters Dictionary (01 Mar 1998)

### Trisect Pictures

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### Literary usage of Trisect

Below you will find example usage of this term as found in modern and/or classical literature:

1. How to Draw a Straight Line: A Lecture on Linkages by Alfred Bray Kempe (1877)
"... you will see that the two intermediate ones will exactly trisect the angle. Thus the power we have had to call into operation in order to effect ..."

2. Geometrical Problems Deducible from the First Six Books of Euclid: Arranged by Miles Bland (1827)
"the triangle BFC is equal to AFC; and ,•. the three BFC, BFA, AFC are equal to one another. ( 1 8.) To trisect a given triangle from a given ..."

3. Geometrical Problems Deducible from the First Six Books of Euclid, Arranged by Miles Bland (1819)
"To trisect a right angle. Let ACB be a right angle. In CA take any point A, and on CA describe an equilateral triangle ACD, and bisect the angle ..."

4. Annual Report by New Haven (Conn.). Board of Education (1883)
"Teach term and meaning trisect. trisect horizontal line using both hands. ... trisect vertical line, board and slate. trisect sticks and strips of paper. 3. ..."

5. An Elementary Treatise on Pure Geometry with Numerous Examples by John Wellesley Russell (1905)
"The other meets trisect the other arc AB and the arc supplementary to AB. Ex. 2. The locus of the points of contact of parallel tangents to a system ..."

6. The Elements of Analytical Geometry: Comprehending the Doctrine of the Conic by John Radford Young (1850)
"PROBLEM. Ti • .. ' OA 4 cos. A3—3R2 cos. A By trigonometry, p. 43, cos. 3A = ———:—^ 1 (165.) To trisect an angle. or, putting cos. 3A = a, and cos. ..."

7. A Witness Testifies by Capshaw Carson (1918)
"trisect ANY ANGLE Take any angle. Take the compass and draw the sector. Mark off on the sector three points equal distances apart, so that a very small ..."